April is a beautiful month that brings the end of the wet season in Hawaii with partly cloudy skies and average temperatures in the temperate 70°F (21.1°C) to 79°F (26.1°C) range. Average rainfall of 2" (51mm) registers on the rain gauge - heavy rain occurs in the highlands, moderate in the lowlands of north and east, and meager in south and west. Much of the rain falls during the nights, while islands with flat terrain such as Niihau are arid and receive scanty rainfall. April sees the end of thunderstorms, and high wind speeds as the temperatures remain steady within 66°F (18.9°C) and 79°F (26.1°C) range on the coast, without the threat of large ocean waves. Overall, Hawaii has pleasant weather for tourists most of the time, be it enjoying the sunshine, lying on the beach or exploring the mountains and tropical forests. A light sweatshirt is a good idea while strolling on the beaches and enjoying the warmth of the sea on a sheltered beach.